const Koa = require("koa");
const app = new Koa();
const views = require("koa-views");
const json = require("koa-json");
const onerror = require("koa-onerror");
const bodyparser = require("koa-bodyparser");
const logger = require("koa-logger");
const { koaSwagger } = require("koa2-swagger-ui");
const swagger = require("./swagger"); //存放swagger.js的地方
const index = require("./routes/index");
const users = require("./routes/users");
const product = require("./routes/product");
const jwtKoa = require("koa-jwt");
const { secret } = require("./utils/config");
const { validateToken } = require("./utils/jwt");

// error handler
onerror(app);

app.use(swagger.routes(), swagger.allowedMethods());
app.use(
  koaSwagger({
    routePrefix: "/swagger", // 接口文档访问地址
    swaggerOptions: {
      url: "/swagger.json", //生成json的访问路径
    },
  })
);

// middlewares
app.use(
  bodyparser({
    enableTypes: ["json", "form", "text"],
  })
);
app.use(json());
app.use(logger());
app.use(require("koa-static")(__dirname + "/public"));


// 使用验证token的中间件
app.use(validateToken);
// app.use(
//   jwtKoa({ secret }).unless({
//     path: [
//       "/login",
//       "/register",
//       "/refresh/token"
//     ], //数组中的路径不需要通过jwt验证
//   })
// );

app.use(
  views(__dirname + "/views", {
    extension: "pug",
  })
);

// logger
app.use(async (ctx, next) => {
  const start = new Date();
  await next();
  const ms = new Date() - start;
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`);
});

// routes
app.use(index.routes(), index.allowedMethods());
app.use(users.routes(), users.allowedMethods());
app.use(product.routes(), product.allowedMethods());

// error-handling
app.on("error", (err, ctx) => {
  console.error("server error", err, ctx);
});

module.exports = app;
